Crystal structure of boron-rich metal borides (data page)

Crystal structure of boron-rich metal borides (data page): Contents

1 Table I

2 Table II

3 Table III

4 Table IVa

5 Table IVb

6 Table IVc

7 Table Va

8 Table Vb

9 Table VI

10 Table VII

11 Table VIII

12 Table IX

13 Table X

14 References

This page contains crystal structure data used in the article crystal structure of boron-rich metal borides.

Table I

Structure data for YAlB₁₄^[1]
Atom Site x y z Occ.* b_iso(Å²)

Y 8i 0.02511(8) 1/4 0.64217(3) 0.310(1) Anisotropic

Al 4c 1/4 1/4 1/4 0.708(3) Anisotropic

B1 8h 0 0.1660(1) 0.9682(1) 1 0.35(1)

B2 8h 0 0.1520(1) 0.3745(1)) 1 0.39(1)

B3 8h 0 0.0882(1) 0.1704(1) 1 0.35(1)

B4 16i 0.1602(1) 0.05917(6) 0.83757(7) 1 0.34(1)

B5 16j 0.2482(1) 0.08028(6) 0.45487(8) 1 0.35(1)

Chemical composition can be calculated as Y_0.62Al_0.71B₁₄.

Anisotropic displacement parameters for YAlB₁₄^[1]
Atom U₁₁(Å²) U₂₂(Å²) U₃₃(Å²) U₁₃(Å²)

Y 0.087(2) 0.00446(8) 0.00466(8) -0.00045(9)

Al 0.0112(3) 0.0053(2) 0.0196(3) 0.0108(2)

Table II

Structure data for YB₆₂^[2]
Atom Site x y z Occ.* U_eq.(Å²)

B1 96i 0 0.0374(2) 0.0594(1) 1.0 0.0101(7)

B2 96i 0 0.0759(2) 0.1171(2) 1.0 0.0118(7)

B3 96i 0 0.0387(2) 0.1809(2) 1.0 0.0115(7)

B4 96i 0 0.1486(1) 0.2418(1) 1.0 0.0098(7)

B5 96i 0 0.1855(2) 0.1715(2) 1.0 0.0112(7)

B6 192j 0.0389(1) 0.1401(1) 0.1220(1) 1.0 0.0137(6)

B7 192j 0.0395(1) 0.0816(1) 0.2291(1) 1.0 0.0120(6)

B8 192j 0.0630(1) 0.0775(1) 0.1586(1) 1.0 0.0129(6)

B9 192j 0.0635(1) 0.1455(1) 0.1948(1) 1.0 0.0137(6)

B10 192j 0.1328(3) 0.1744(3) 0.1975(3) 0.758(19) 0.0412(20)

B11 192j 0.2314(4) 0.1607(3) 0.3021(4) 0.531(14) 0.0427(24)

B12 192j 0.1733(4) 0.1273(4) 0.2581(5) 0.293(17) 0.0207(35)

B13 64g 0.2337(8) 0.2337(8) 0.2337(8) 0.076(6) 0.0395(98)

Y1 48f 0.0542(3) 0.25 0.25 0.437(9) 0.0110(9)

Y2 48f 0.0725(11) 0.25 0.25 0.110(12) 0.0414(43)

Table III

Structure data for YB₄₁Si_1.2^a^[3]
Atom Site x y z Occ.* b_iso(Å²)

B1.1 8i 0.4362(2) 0.5491(2) 0.0938(3) 1 0.12(5)

B1.2 8i 0.4660(2) 0.4610(2) 0.1572(3) 1 0.15(5)

B1.3 4g 0.4063(3) 0.4711(3) 0 1 0.19(7)

B1.4 4g 0.4852(3) 0.4078(3) 0 1 0.14(6)

B2.1 8i 0.2326(2) 0.4909(2) 0.0981(3) 1 0.14(5)

B2.2 8i 0.2101(2) 0.3281(2) 0.0956(3) 1 0.13(5)

B2.3 8i 0.1664(2) 0.4147(2) 0.1632(3) 1 0.19(5)

B2.4 8i 0.2749(2) 0.4005(2) 0.1586(3) 1 0.13(4)

B2.5 4g 0.1293(3) 0.3702(3) 0 1 0.11(6)

B2.6 4g 0.1379(3) 0.4694(3) 0 1 0.11(6)

B2.7 4g 0.3106(3) 0.4451(3) 0 1 0.15(7)

B2.8 4g 0.2972(3) 0.3466(3) 0 1 0.20(7)

B3.1 8i 0.3793(2) 0.1879(2) 0.0975(3) 1 0.19(5)

B3.2 8i 0.5354(2) 0.2580(2) 0.0946(3) 1 0.13(5)

B3.3 8i 0.4823(2) 0.1772(2) 0.1640(3) 1 0.11(4)

B3.4 8i 0.4350(2) 0.2693(2) 0.1584(3) 1 0.12(5)

B3.5 4g 0.4501(3) 0.1247(3) 0 1 0.19(6)

B3.6 4g 0.3728(3) 0.2753(3) 0 1 0.28(7)

B3.7 4g 0.4682(3) 0.3146(3) 0 1 0.12(6)

B3.8 4g 0.5424(3) 0.1724(3) 0 1 0.14(6)

B4.1 8i 0.2006(2) 0.1543(2) 0.0880(3) 1 0.16(5)

B4.2 8i 0.1315(2) 0.0978(2) 0.1785(3) 1 0.09(4)

B4.3 8i 0.1156(2) 0.1965(2) 0.1737(3) 1 0.18(5)

B4.4 8i 0.2107(2) 0.2414(2) 0.1753(3) 1 0.15(4)

B4.5 8i 0.2905(2) 0.1676(2) 0.1833(3) 1 0.10(4)

B4.6 8i 0.2377(2) 0.0745(2) 0.1817(3) 1 0.15(4)

B4.7 8i 0.1741(2) 0.0671(2) 0.3370(3) 1 0.23(5)

B4.8 8i 0.0972(2) 0.1445(2) 0.3316(3) 1 0.15(5)

B4.9 84i 0.1508(2) 0.2379(2) 0.3301(3) 1 0.11(4)

B4.10 8i 0.2612(2) 0.2215(2) 0.3352(3) 1 0.15(4)

B4.11 8i 0.2720(2) 0.1169(2) 0.3434(3) 1 0.20(5)

B4.12 8i 0.1884(2) 0.1594(2) 0.4149(3) 1 0.28(5)

B5.1 8i 0.1150(2) 0.4078(2) 0.3354(3) 1 0.19(5)

B5.2 8i 0.1066(2) 0.3127(2) 0.4060(3) 1 0.18(5)

B5.3 8i 0.0255(2) 0.4553(2) 0.4053(3) 1 0.20(5)

B5.4 8i 0.0175(2) 0.3589(2) 0.3358(3) 1 0.18(4)

B5.5 4h 0.4628(3) 0.1121(3) 1/2 1 0.27(7)

B5.6 4h 0.1675(3) 0.3812(3) 1/2 1 0.39(7)

B5.7 4h 0.1202(3) 0.4681(3) 1/2 1 0.31(7)

B5.8 4h 0.0108(3) 0.3023(3) 1/2 1 0.28(7)

B6.1 8i 0.3311(2) 0.3858(2) 0.3061(3) 1 0.19(4)

B6.2 8i 0.3530(2) 0.4752(2) 0.4064(3) 1 0.35(5)

B6.3 8i 0.4294(2) 0.4214(2) 0.3063(3) 1 0.14(4)

B6.4 8i 0.4150(2) 0.3223(2) 0.3052(3) 1 0.18(4)

B6.5 8i 0.5013(2) 0.3652(2) 0.4046(3) 1 0.20(4)

B6.6 8i 0.3268(2) 0.2925(2) 0.4058(3) 1 0.43(5)

Si6.7^b 4h 0.2784(3) 0.3866(3) 1/2 0.575(6) 0.22(6)

B6.7^b 4h 0.2785(13) 0.3961(11) 1/2 0.425(6) 0.22(6)

Si6.8^c 4h 0.4429(3) 0.2787(3) 1/2 0.478(6) 0.17(7)

B6.8^c 4h 0.4492(11) 0.2818(12) 1/2 0.522(6) 0.17(7)

Si6.9^d 4h 0.4655(3) 0.4626(3) 1/2 0.440(6) 0.17(8)

B6.9^d 4h 0.4589(9) 0.4537(7) 1/2 0.560(60 0.17(8)

B7.1 8i 0.3911(4) 0.3747(4) 0.1181(8) 1 0.30^e

B7.2 8i 0.3182(17) 0.2183(16) 0.502(31) 0.46(1) 0.30^e

B7.3 4g 0.4569(3) 0.0212(2) 0 0.23(1) 0.30^e

B7.4 4g 0.0766(4) 0.1555(6) 0 0.29(1) 0.30^e

B7.5 4g 0.1438(11) 0.2507(11) 0 0.18(1) 0.30^e

B7.6 4g 0.2552(10) 0.2629(9) 0 0.43(1) 0.30^e

B7.7 4h 0.2054(15) 0.0230(14) 1/2 0.08(1) 0.30^e

Y 8i 0.39628(1) 0.05199(1) 0.22964(3) 1 0.22^f

Si 4h 0.34402(8) 0.07974(8) 1/2 0.798(6) 0.29^f

^a The number n in the atom designation Bn,n refers to the B₁₂-nth icosahedron to which the Bn,n belongs. Si6.n and B6.n belong to the B₁₂Si₃ unit.

^b,c,d The Si and B sites are in the same interstice, which is assumed to be fully occupied by both Si and B atoms with occupancies of Occ.(Si) and Occ.(B), respectively, where Occ.(Si)+Occ.(B) = 1. Position of the boron atom was adjusted independently by fixing the thermal parameters at the same value as for the Si atom in the same interstice.

^e The temperature factor is fixed at this value.

^f Equivalent isotropic temperature factor. It was calculated from the relation B_eq. = 4/3(a²β₁₁ + b²β₂₂ + c²β₃₃).

Table IVa

Structure data for homologous compounds.

a. Structure data of ScB_15.5CN^[4]
Atom Site x y z Occ.* U_eq.(nm²×10³)

Sc 2d 1/3 2/3 0.4426(1) 0.93(1) 16.1(4)

B1 6i 0.4909(4) 0.5091(2) 0.2177(2) 1 3.8(4)

B2 6i 0.5580(1) 0.4420(2) 0.0612(1) 1 3.5(4)

B3 6i 0.7737(2) 0.2263(2) 0.3175(2) 1 4.5(4)

B4 6i 0.8383(4) 0.1617(2) 0.1611(2) 1 4.2(4)

B5 6i 0.8945(2) 0.1055(2) 0.4331(2) 1 4.8(4)

B6 1a 0 0 0 1 5(1)

C 2c 0 0 0.1338(3) 1 4.1(9)

N 2d 1/3 2/3 0.2446(3) 1 6.1(8)

The sum of those values was fixed at 1.0.

Table IVb

b. Structure data of YB₂₂C₂N^[5]
Atom Site x y z Occ.* b_iso(Å³)

Y 6c 0 0 0.349(2) 0.74(4) 0.62(5)

B1 18h 0.223(6) -0.223(6) 0.442(3) 1.0 2.37(0)

B2 18h 0.557(2) 0.442(8) 0.349(4) 1.0 2.37(0)

B3 18h 0.151(8) 0.303(6) 0.404(3) 1.0 2.37(0)

B4 18h 0.438(0) 0.562(0) 0.379(0) 1.0 2.37(0)

B5 6c 2/3 1/3 0.454(2) 1.01(4) 2.50(4)

B6 18h 0.499(6) 0.500(4) 0.417(5) 1.0 2.37(0)

B7 18h 0.102(1) -0.102(1) 0.468(5) 1.0 3.37(0)

B8 18h 0.334(9) 0.167(4) 0.494(7) 1.0 2.37(0)

C1 6c 2/3 1/3 0.485(8) 1.16(4) 3.19(0)

C2 6c 2/3 1/3 0.423(2) 0.99(6) 3.19(0)

N 6c 0 0 0.401(3) 0.84(0) 0.95(8)

Table IVc

c. Structure data of YB_28.5C₄^[6]
Atom Site x y z Occ.* U_eq.(nm²×10³)

Y1 6c 0 0 0.3200(1) 0.83(9) 7(1)

C2 6c 0 0 0.2787(2) 1.12(1) 6(3)

C3 6c 2/3 1/3 0.2129(2) 1.06(2) 5(3)

C4 6c 2/3 1/3 0.2639(2) 1.05(3) 11(3)

B5 6c 2/3 1/3 0.2385(3) 1.12(1) 17(4)

C6 6c 1/3 -1/3 0.1922(2) 1.08(5) 11(3)

B7 3b 1/3 -1/3 1/6 1.08(0) 13(6)

B8 18h 0.1096(8) -0.1096(8) 0.2265(1) 1.0 2(1)

B9 18h 0.2136(17) 0.1068(8) 0.3677(1) 1.0 4(1)

B10 18h 0.2177(18) 0.1089(9) 0.1780(1) 1.0 3(1)

B11 18h 0.1703(8) -0.1703(8) 0.1968(1) 1.0 3(1)

B12 18h 0.2255(8) 0.4511(17) 0.2498(1) 1.0 3(1)

B13 18h 0.4631(17) 0.2316(8) 0.3462(1) 1.0 3(1)

B14 18h 0.1632(8) 0.3263(17) 0.2795(1) 1.0 3(1)

B15 18h 0.5030(9) 0.4970(9) 0.2690(1) 1.0 4(2)

B16 18h 0.3422(17) 0.1711(8) 0.2077(1) 1.0 4(1)

BC17 6c 0 0 0.2506(4) 0.51(9) 6(8)

Table Va

Structure data for Y_xB₁₂C_0.33Si_3.0 (x=0.68)^[7]
Atom Site x y z Occ.* U_eq.(nm²×10³)

Y 9e 1/6 1/3 1/3 0.68(1) 6.1(1)

B1 36i 0.4916(1) 0.1556(1) 0.1353(1) 1.0 4.5(1)

B2 36i 0.3671(1) 0.0400(1) 0.2181(1) 1.0 4.6(1)

B3 18h 0.4838(2) 0.2419(1) 0.2307(1) 1.0 7.4(2)

B4 18h 0.2900(2) 0.1450(1) 0.2697(1) 1.0 5.1(2)

C3 6c 2/3 1/3 0.2666(12) 0.58(5)* 2.9(5)

Si1 6c 1/3 2/3 0.2379(0) 1.0 2.7(1)

Si2 18h 0.4648(0) 0.5352(0) 0.2730(0) 1.0 4.1(1)

Si3 6c 2/3 1/3 0.2917(3) 0.42(2)* 1.1(2)

The sum of those values was fixed at 1.0.

Table Vb

Interatomic distances between the listed sites of Y_xB₁₂C_0.33Si_3.0^[7]
Atoms Distance (Å) Atoms Distance (Å)

C3-B3 1.703(7) C3-C3 2.198

Si3-B3 1.887(3) Si3-C3 0.413

C3-Si3 1.786(24) Si3-Si3 1.373(10)

Table VI

Structure data for ScB_19+xSi_y (x=0.7, y=0.18)^a
Atom Site x y z Occ. U_eq.(nm²×10³)

B1 8b -0.1228 0.2389 0.1261 1.0 5.06

B(2) 8b -0.0333 0.1355 0.2097 1.0 5.5

B(3) 8b -0.0428 0.3116 0.2294 1.0 5.18

B(4) 8b -0.0398 0.3917 0.1159 1.0 5.36

B(5) 8b -0.0113 0.1129 0.0786 1.0 6.27

B(6) 8b -0.0273 0.272 0.0277 1.0 5.24

B(7) 8b 0.1154 0.2258 0.244 1.0 5.93

B(8) 8b 0.1027 0.3902 0.192 1.0 5.46

B(9) 8b 0.1265 0.1058 0.1548 1.0 5.73

B(10) 8b 0.127 0.1951 0.0453 1.0 5.04

B(11) 8b 0.1142 0.3624 0.0645 1.0 5.16

B(12) 8b 0.2093 0.2618 0.1403 1.0 5.22

B(13) 8b 0.3187 0.0588 0.3634 1.0 9.81

B(14) 8b 0.3933 0.2069 0.326 1.0 8.95

B(15) 8b 0.2135 0.1978 0.3449 1.0 10.19

B(16) 8b 0.47 0.1142 0.4131 1.0 6.57

B(17) 8b 0.4662 0.2887 0.4239 1.0 6.27

B(18) 8b 0.1903 0.0946 0.4509 0.652 9.15

B(19) 8b 0.2721 0.1861 0.5453 1.0 6.32

B(20) 8b 0.3529 0.042 0.4933 1.0 6.37

B(21) 8b 0.4445 0.1865 0.526 1.0 8.9

B(22) 4a 0.3354 0.3354 0.5 1.0 8.92

B(23) 4a 0.0347 0.0347 0.5 1.0 10.25

B(24) 8b 0.3133 0.3367 0.381 0.631 14.73

Sc(1) 8b 0.2964 0.4857 0.1316 0.811 4.73

Sc(2) 8b 0.2981 0.375 0.2968 0.194 16.22

Sc(3) 8b 0.0849 0.0107 0.3215 0.128 5.66

Si 8b 0.1758 0.0037 0.4227 0.203 10.09

^a Obtained by structure analysis.

Table VII

Structure data for ScB₁₇C_0.25.
Atom Site x y z Occ. U_eq.(nm²×10³)

Sc 12o 0.4251(1) 0.8502(1) 0.7496(2) 1.0 5.8(4)

B1 12p 0.6699(4) 0.7362(4) 0.0 1.0 3.2(9)

B2 12p 0.5300(4) 0.6629(4) 0.0 1.0 6.4(9)

B3 24r 0.5985(3) 0.7380(3) 0.8351(4) 1.0 3.7(7)

B4 12o 0.1419(7) 0.2838(5) 0.9011(6) 1.0 6.6(9)

B5 12o 0.5242(4) 0.2621(2) 0.0986(4) 1.0 4.3(9)

B6 4h 1/3 2/3 0.8288(10) 1.0 5(2)

B7 4h 1/3 2/3 0.6165(10) 1.0 5(2)

B8 24r 0.3077(3) 0.9274(3) 0.6661(4) 1.0 4.4(7)

B9 12g 0.4395(4) 0.0 0.5984(6) 1.0 5.3(8)

B10 12q 0.5375(5) 0.6562(5) 1/2 1.0 6(1)

B11 12n 0.7571(4) 0.0 0.5995(6) 1.0 5.0(9)

B12 12q 0.2266(5) 0.3405(4) 1/2 1.0 6(1)

B13 12o 0.0771(2) 0.1542(5) 0.8347(7) 1.0 4(1)

B14 12n 0.1327(4) 0.0 0.6664(7) 1.0 8(1)

B/C15 6l 0.4694(3) 0.9388(7) 0.0 B/C=0.73/0.27 8(1)

B/C16 6m 0.3944(6) 0.7888(7) 1/2 B/C=0.80/0.20 13(1)

B17 6l 0.0391(12) 0.0782(24) 0.0 0.53 45(8)

B18 6m 0.0379(10) 0.0758(10) 1/2 0.67 44(6)

Table VIII

Structure data for Sc_0.83-xB_10.0-yC_0.17+ySi_0.083-z (x = 0.030, y = 0.36 and z = 0.026).
Atom Site x y z Occ. U_eq.(nm²×10³)

B1 48h 0.0613(2) 0.0613(2) 0.6638(2) 1.0 6.62

B2 48h 0.1209(2) 0.1209(2) 0.6832(2) 1.0 7.03

B3 48h 0.0864(2) 0.0864(2) 0.5206(2) 1.0 7.83

B4 48h 0.1478(2) 0.1478(2) 0.5438(2) 1.0 8.18

B5 48h 0.1899(2) 0.1899(2) 0.9098(2) 1.0 8.17

B,C6 48h 0.2219(2) 0.2219(2) 0.8378(2) B/C=0.58/0.42 8.38

B7 48h 0.1068(2) 0.1068(2) 0.8320(2) 1.0 5.93

B8 48h 0.1410(2) 0.1410(2) 0.7596(2) 1.0 6.85

B9 48h 0.3018(2) 0.3018(2) 0.4030(3) 1.0 13.28

B10 48h 0.2191(2) 0.2191(2) 0.9796(3) 1.0 11.33

B11 48h 0.7816(2) 0.7816(2) 0.1217(3) 1.0 13.61

B12 48h 0.3019(2) 0.3019(2) 0.4927(3) 1.0 10.07

B13 96i 0.7693(2) 0.9520(2) 0.1663(2) 1.0 14.96

B14 48h 0.0485(2) 0.0485(2) 0.8212(3) 1.0 7.51

B15 48h 0.0340(2) 0.0340(2) 0.1403(3) 1.0 15.19

B16 96i 0.7875(2) 0.9762(2) 0.0845(2) 1.0 16.48

B17 48h 0.0326(2) 0.0326(2) 0.7384(3) 1.0 14.68

B,C18 16e 0.3494(3) 0.3494(3) 0.3494(3) B/C=0.51/0.49 9.68

B,C19 16e 0.0623(3) 0.0623(3) 0.0623(3) B/C=0.85/0.15 12.11

B,C20 16e 0.4447(2) 0.4447(2) 0.4447(2) B/C=0.73/0.27 8.90

C1 16e 0.1947(3) 0.1947(3) 0.1947(3) 1.0 15.45

Si1 4a 0.2500(0) 0.2500(0) 0.2500(0) 1.0 16.19

Si2 4a 0.5000(0) 0.5000(0) 0.5000(0) 0.38 37.82

Sc1 16e 0.9409(04) 0.9409(04) 0.9409(04) 1.0 8.9^a

Sc2 16e 0.1270(07) 0.1270(07) 0.1270(07) 0.99 32.99^a

Sc3 48h 0.0689(04) 0.0689(04) 0.3216(04) 0.95 11.05^a

Atom U₁₁ U₂₂ U₃₃ U₂₃ U₁₃ U₁₂

Sc1 8.96 8.96 8.96 -0.91 -0.91 -0.91

Sc2 32.99 32.99 32.99 -9.42 -9.42 -9.42

Sc3 12 .25 12.25 8.65 -0.33 -0.33 -0.12

^a Anisotropic thermal factors are applied to Sc sites, and U_eq (one-third of the trace of the orthogonalized U_ij tensor) is listed in these columns.

Table IX

Structure data for Sc_4.5-xB_57-y+zC_3.5-z (x =0.27, y = 1.1, z = 0.2).
Atom Site x y z Occ. U_eq.(nm²×10³)

B1 8i 0.3347(1) 0.2050(2) 0.6241(2) 1.0 5.8(4)

B2 8i 0.1410(2) -0.1034(2) 0.2728(2) 1.0 6.6(4)

B3 8i 0.2612(1) 0.2836(2) 0.6215(2) 1.0 5.8(4)

B4 8i 0.4280(1) 0.2589(2) 0.6235(2) 1.0 6.0(4)

B5 8i 0.3484(2) 0.2963(2) 0.5582(2) 1.0 5.3(4)

B6 8i 0.2823(1) 0.2312(2) 0.7301(2) 1.0 5.4(4)

B7 8i 0.3070(1) 0.3795(2) 0.6211(2) 1.0 5.1(4)

B8 8i 0.4055(1) 0.3652(2) 0.6226(2) 1.0 5.3(4)

B9 8i 0.3898(1) 0.2167(2) 0.7324(2) 1.0 5.8(4)

B10 8i 0.3476(2) 0.3034(2) 0.7929(2) 1.0 6.4(4)

B11 8i 0.2682(1) 0.3424(2) 0.7236(2) 1.0 5.1(4)

B12 8i 0.4371(2) 0.3209(2) 0.7295(2) 1.0 5.9(4)

B13 8i 0.4587(2) -0.0243(2) 0.8542(2) 1.0 7.4(4)

B14 8i 0.3552(1) -0.0209(2) 0.7027(2) 1.0 5.8(4)

B15 8i 0.3940(1) 0.0421(2) 0.7953(2) 1.0 5.4(4)

B16 8i 0.3019(2) -0.0052(2) 0.8126(2) 1.0 6.5(4)

B17 8i 0.6125(2) 0.1769(2) 0.8143(2) 1.0 6.6(4)

B18 8i 0.5250(2) 0.1195(2) 0.7960(2) 1.0 5.9(4)

B19 8i 0.0752(2) 0.3872(2) 0.0943(2) 1.0 6.2(4)

B20 8i 0.6791(2) 0.1048(2) 0.8810(2) 1.0 6.3(4)

B21 8i 0.4539(2) -0.0273(2) 0.7328(2) 1.0 5.7(4)

B22 8i 0.5951(2) 0.1197(2) 0.7028(2) 1.0 6.4(4)

B23 8i 0.3716(2) -0.0065(2) 0.9054(2) 1.0 6.7(4)

B24 8i 0.1886(2) 0.3891(2) 0.2408(2) 1.0 6.1(4)

B25 4h 0.5570(2) 0.3161(2) 0.5000(0) 1.0 4.8(6)

B26 8i 0.5896(2) 0.1702(2) 0.6004(2) 1.0 6.1(4)

B27 4h 0.4658(2) -0.1389(2) 0.5000(0) 1.0 5.9(6)

B28 8i 0.6782(1) 0.2169(2) 0.5618(2) 1.0 5.3(4)

B29 4h 0.3651(2) -0.1350(2) 0.5000(0) 1.0 3.4(6)

B30 8i 0.5115(1) 0.2348(2) 0.5630(2) 1.0 5.4(4)

C31 4h 0.6546(2) 0.3025(2) 0.5000(0) 1.0 7.3(5)

B32 8i 0.6020(2) 0.2784(2) 0.6021(2) 1.0 5.7(4)

C33 4h 0.1831(2) 0.0261(2) 0.5000(0) 1.0 6.2(5)

C34 4h 0.3222(2) -0.0486(2) 0.5000(0) 1.0 8.9(6)

B35 8i 0.2270(2) 0.0603(2) 0.6016(2) 1.0 6.3(4)

B36 8i 0.7354(1) 0.5437(2) 0.4379(2) 1.0 6.0(4)

B37 4h 0.7189(2) 0.3766(2) 0.5000(0) 1.0 6.4(6)

B38 4h 0.3734(2) 0.0459(2) 0.5000(0) 1.0 6.8(6)

B39 8i 0.3187(1) 0.0127(2) 0.6004(2) 1.0 5.6(4)

B40 8i 0.3098(2) 0.1178(2) 0.5629(2) 1.0 6.2(4)

B41 8i 0.4507(1) 0.4330(2) 0.5607(2) 1.0 5.2(4)

B42 8i 0.0390(2) 0.0341(2) 0.6004(2) 1.0 6.1(4)

C43 4h 0.5297(2) 0.4086(2) 0.5000(0) 1.0 7.7(6)

B44 4h 0.0943(2) 0.0123(2) 0.5000(0) 1.0 5.9(6)

B45 8i 0.2050(2) 0.1636(2) 0.7716(2) 1.0 6.0(4)

B46 8i 0.0681(2) 0.1263(2) 0.1059(2) 1.0 8.9(5)

B47 8i 0.6154(1) 0.3328(2) 0.7019(2) 1.0 5.3(4)

B48 8i 0.0749(2) 0.0661(2) 0.7017(2) 1.0 6.7(4)

B49 8i 0.1163(2) 0.2096(2) 0.8164(2) 1.0 6.3(4)

B50 8i 0.0317(2) 0.1444(2) 0.7735(2) 1.0 6.1(4)

B51 8i 0.0415(2) 0.0348(2) 0.1842(2) 1.0 7.5(4)

B52 8i 0.1772(1) 0.0777(2) 0.7000(2) 1.0 5.7(4)

B53 8i 0.1314(2) -0.0047(2) 0.2313(2) 1.0 9.2(4)

B54 8i 0.1279(2) 0.0314(2) 0.1094(2) 1.0 18.9(6)

B55 8i 0.2129(2) 0.0524(2) 0.1870(2) 1.0 7.7(4)

B56 8i 0.1744(2) 0.1361(2) 0.1069(2) 1.0 9.2(5)

B57 8i 0.7574(2) 0.1419(2) 0.9408(2) 1.0 9.6(5)

B58 4g 0.8776(2) 0.2582(3) 0.0000(0) 1.0 9.5(6)

B59 8i 0.8460(2) 0.1852(2) 0.9102(2) 1.0 7.4(5)

B60 4g 0.2774(2) 0.2621(3) 0.0000(0) 1.0 10.1(7)

B61 4g 0.4196(3) 0.3404(3) 0.0000(0) 1.0 17.6(8)

B62 4g 0.1589(4) 0.8983(4) 0.0000(0) 0.58 6.0(16)

C/B63 8i 0.4300(1) 0.1383(1) 0.7908(2) C/B=0.80/0.20 6.2(4)

B64 4g 0.1305(4) -0.0080(4) 0.0000(0) 0.78 14.9(15)

C65 4h 0.5219(2) -0.0431(2) 0.5000(0) 1.0 12.6(6)

B66 4g 0.9242(3) 0.3500(3) 0.0000(0) 1.0 11.9(7)

B67 4g 0.2231(2) 0.1635(2) 0.0000(0) 1.0 8.6(6)

B68 4g 0.0246(2) 0.3536(2) 0.0000(0) 1.0 6.8(6)

B69 4g 0.5216(2) 0.3482(3) 0.0000(0) 1.0 8.3(6)

B70 4g 0.8751(2) 0.4428(3) 0.0000(0) 1.0 10.3(7)

B/Si71 8i 0.1440(4) 0.9256(4) 0.0604(4) B+Si=0.30
(B/Si=0.9/0.1) 6.4(10)

Sc1 8i 0.47761(2) 0.24988(3) 0.88052(3) 0.97 6.0(1)^a

Sc2 2a 0.50000(0) 0.50000(0) 0.00000(0) 0.96 14.9(3)^a

Sc3 8i 0.44587(3) 0.10615(3) 0.63668(3) 0.97 6.2(1)^a

Sc4 8i 0.31793(3) 0.15473(3) 0.87857(3) 0.97 7.1(1)^a

Sc5 4g 0.13723(4) 0.27037(4) 0.00000(0) 0.96 8.8(2)^a

Sc6 4g 0.24837(5) 0.00566(5) 0.00000(0) 0.90 9.3(2)^a

Sc7 2c 0.50000(0) 0.00000(0) 0.00000(0) 0.61 8.3(4)^a

Atom U₁₁ U₂₂ U₃₃ U₂₃ U₁₃ U₁₂

Sc1 5.5(2) 7.6(2) 4.9(2) -0.8(2) 0.2(1) 0.4(2)

Sc2 14.2(5) 15.2(5) 15.2(5) 0.00 0.00 4.9(4)

Sc3 7.4(2) 5.6(2) 5.5(2) -0.3(1) 0.3(2) 1.2(1)

Sc4 4.4(2) 11.5(2) 5.4(2) 0.1(2) 0.7(1) -0.3(2)

Sc5 5.8(3) 11.2(3) 9.5(3) 0.00 0.00 3.0(2)

Sc6 10.3(3) 8.3(3) 9.4(3) 0.00 0.00 -2.6(3)

Sc7 11.3(7) 10.7(7) 2.9(6) 0.00 0.00 -4.6(5)

^a Anisotropic thermal factors are applied to Sc sites, and U_eq (one-third of the trace of the orthogonalized U_ij tensor) is listed in these columns.

Table X

Structure data for Sc_3.67-xB_41.4-y-zC_0.67+zSi_0.33-w (x=0.52, y=1.42, z=1.17 and w=0.02).
Atom Site x y z Occ. U_eq.(nm²×10³)

B1 6n 0.8073(5) 0.4037(3) 0.0812(3) 1.0 6.8(10)

B2 6n 0.0650(5) 0.5325(2) 0.1400(2) 1.0 6.0(9)

B3 6n 0.9269(5) 0.4634(2) 0.0374(2) 1.0 4.4(9)

B4 6n 0.9436(5) 0.4718(3) 0.1852(3) 1.0 6.9(10)

B5 12o 0.8402(4) 0.3568(3) 0.1453(2) 1.0 7.1(7)

B6 12o 0.9843(3) 0.3894(3) 0.1412(2) 1.0 6.0(7)

B7 12o 0.0316(3) 0.4545(3) 0.0749(2) 1.0 5.7(7)

B8 12o 0.8989(4) 0.3458(4) 0.0781(2) 1.0 7.1(7)

B9 6n 0.1969(5) 0.5984(3) 0.1645(3) 1.0 8.0(10)

B10 6n 0.2446(5) 0.6223(3) 0.2375(3) 1.0 8.2(11)

B11 6n 0.2920(2) 0.5839(5) 0.1205(2) 1.0 5.3(9)

B12 6n 0.2647(3) 0.5294(5) 0.1913(2) 1.0 5.7(9)

B13 6n 0.2671(59) 0.2671(5) 0.3155(3) 1.0 8.3(10)

B14 6n 0.8217(3) 0.1784(3) 0.3748(3) 1.0 12.2(11)

B15 6n 0.7742(3) 0.2258(3) 0.2397(2) 1.0 6.1(9)

B16 12o 0.7213(4) 0.0679(4) 0.3317(2) 1.0 10.4(8)

B17 12o 0.8736(4) 0.3358(4) 0.2828(2) 1.0 8.9(7)

B18 6n 0.7304(3) 0.2697(3) 0.2990(3) 1.0 12.0(12)

B19 12o 0.9027(4) 0.2288(4) 0.2599(2) 1.0 8.7(7)

B20 12o 0.8261(5) 0.3023(5) 0.3556(2) 1.0 17.5(10)

B/C21 6n 0.0808(5) 0.0808(5) 0.3880(2) B/C=0.55/0.45 6.7(9)

B22 6n 0.0675(3) 0.0675(3) 0.3478(2) 1.0 6.8(10)

B23 6n 0.9185(5) 0.0408(2) 0.2783(2) 1.0 5.8(9)

B24 6n 0.9333(3) 0.1334(5) 0.3221(2) 1.0 6.0(10)

B/C25 6l 0.3352(5) 0.5516(5) 0.0 B/C=0.55/0.45 6.8(10)

B26 12o 0.3193(3) 0.4403(4) 0.0374(2) 1.0 5.8(7)

B27 6n 0.1829(2) 0.3658(5) 0.0603(2) 1.0 4.2(9)

B28 6l 0.2238(5) 0.3231(5) 0.0 1.0 5.4(9)

B29 6n 0.2548(3) 0.5096(5) 0.0612(3) 1.0 6.0(9)

B30 12o 0.1777(4) 0.4848(4) 0.3452(2) 1.0 8.9(7)

B31 6n 0.2658(3) 0.5316(6) 0.5902(3) 1.0 11.8(11)

B32 6n 0.1323(3) 0.2646(5) 0.3660(3) 1.0 7.8(10)

B33 6n 0.1854(3) 0.3708(5) 0.3161(3) 1.0 7.7(10)

B34 12o 0.0915(4) 0.3082(4) 0.4271(2) 1.0 8.7(7)

B35 12o 0.0677(4) 0.3465(4) 0.3582(2) 1.0 9.6(7)

B36 12o 0.1183(5) 0.4431(5) 0.4173(2) 1.0 15.6(9)

B37 6n 0.2096(3) 0.7905(3) 0.4609(3) 1.0 9.7(11)

B/C38 6m 0.0027(5) 0.1179(5) 0.5 B/C=0.65/0.35 6.8(9)

B39 6m 0.7666(5) 0.1089(5) 0.5 1.0 6.9(10)

B40 12o 0.9869(4) 0.2146(4) 0.4628(2) 1.0 7.4(7)

B/C41 6n 0.9211(2) 0.1578(5) 0.4421(2) B/C=0.45/0.55 7.1(9)

B42 6n 0.8514(3) 0.1486(3) 0.4387(3) 1.0 6.7(9)

B43 6l 0.2387(5) 0.2133(5) 0.0 1.0 6.4(10)

B44 12o 0.8843(3) 0.2383(3) 0.0392(2) 1.0 6.0(7)

B45 3j 0.1431(7) 0.0716(3) 0.0 1.0 3.3(13)

B46 6n 0.2359(5) 0.1180(2) 0.0579(2) 1.0 4.6(9)

B47 6n 0.1969(3) 0.3938(6) 0.1835(3) 1.0 12.4(12)

B48 6n 0.1543(3) 0.3086(5) 0.1262(2) 1.0 6.0(10)

B49 12o 0.0178(4) 0.2465(4) 0.2240(2) 1.0 9.9(8)

B50 6n 0.0872(2) 0.1745(5) 0.2267(2) 1.0 6.6(9)

B51 12o 0.0563(4) 0.3250(4) 0.1626(2) 1.0 8.7(7)

B52 6n 0.1530(3) 0.3060(6) 0.2517(3) 1.0 13.3(12)

B53 12o 0.1623(3) 0.1884(3) 0.1601(2) 1.0 5.9(7)

B54 6m 0.4507(8) 0.3567(8) 0.5 1.0 27.0(18)

B55 12o 0.4300(9) 0.9827(9) 0.4547(4) 0.87 43.8(29)

B56 6n 0.5907(5) 0.4093(5) 0.3925(5) 0.66 17.7(32)

B57 6n 0.8050(13) 0.4025(7) 0.4762(6) 0.51 16.9(40)

B58 12o 0.5007(9) 0.3781(9) 0.4206(5) 0.44 12.2(28)

B59 6n 0.8881(16) 0.4440(8) 0.4595(8) 0.55 30.9(53)

C60 2i 0.6667 0.3333 0.7126(5) 1.0 15.9(21)

B61 1a 0.0 0.0 0.0 1.0 10.5(27)

B62 6n 0.1877(5) 0.5939(3) 0.3066(3) 1.0 9.4(11)

C63 6n 0.7421(2) 0.2579(2) 0.1798(2) 1.0 8.6(9)

B/C64 6n 0.9344(5) 0.4672(2) 0.2578(2) B/C=0.57/0.43 6.2(10)

B65 6n 0.9172(3) 0.0828(3) 0.1237(3) 1.0 6.1(9)

B66 1f 0.6667 0.3333 0.5 1.0 43.4(68)

B/C67 2h 0.3333 0.6667 0.5774(5) B/C=0.71/0.29 10.5(22)

B68 2i 0.6667 0.3333 0.0639(4) 1.0 5.0(16)

B69 2h 0.3333 0.6667 0.3006(8) 0.49 0.0(44)

Si1 2i 0.6667 0.3333 0.3919(2) 0.87 30.7(16)

Si2 2i 0.6667 0.3333 0.2078(1) 1.0 5.0(5)

Sc1 2g 0.0 0.0 0.17777(8) 0.98 5.5(4)^a

Sc2 3j 0.74237(6) 0.74237(6) 0.0 0.95 7.0(4)^a

Sc3 6n 0.07873(4) 0.07873(4) 0.06563(4) 0.96 4.5(2)^a

Sc4 12o 0.07726(8) 0.43056(8) 0.24776(3) 0.87 9.4(2)^a

Sc5 6n 0.82732(5) 0.82732(5) 0.14302(6) 0.96 19.5(4)^a

Sc6 6n 0.50007(6) 0.50007(6) 0.35580(6) 0.91 14.4(3)^a

Sc7 3k 0.40577(10) 0.40577(10) 0.5 0.88 31.1(9)^a

Sc8 6n 0.74848(9) 0.25152(9) 0.45210(9) 0.49 6.3(5)^a

Atom U₁₁ U₂₂ U₃₃ U₂₃ U₁₃ U₁₂

Sc1 4.7(5) 4.7(5) 7.1(8) 0.0 0.0 2.4(3)

Sc2 8.5(6) 8.5(6) 7.3(6) 0.0 0.0 6.8(6)

Sc3 4.6(3) 4.6(3) 4.1(4) 0.2(2) 0.2(2) 2.1(4)

Sc4 7.0(4) 8.5(4) 11.6(3) 4.2(3) 1.4(3) 3.1(2)

Sc5 26.9(6) 26.9(6) 18.2(6) 2.8(2) 2.8(2) 23.6(7)

Sc6 13.6(5) 13.6(5) 16.4(6) 0.1(2) 0.1(2) 7.1(5)

Sc7 15.0(9) 15.0(9) 66.7(21) 0.0 0.0 10.3(9)

Sc8 4.9(7) 4.9(7) 7.9(9) 0.8(3) 0.8(3) 1.7(7)

^a Anisotropic thermal factors are applied to Sc sites, and U_eq (one-third of the trace of the orthogonalized U_ij tensor) is listed in these columns.

References

^ ^a ^b Korsukova M M, Gurin V N, Kuz'ma Yu B, Chaban N F, Chikhrij S I, Moshchalkov V V, Braudt N B, Gippius A A and Nyan K K (1989). "Crystal Structure, Electrical, and Magnetic Properties of the New Ternary Compounds LnAIB14". Phys. status solidi a 114: 265. Bibcode 1989PSSAR.114..265K. doi:10.1002/pssa.2211140126.

^ Tanaka T, Kamiya K, Numazawa, T, Sato A and Takenouchi S (2006). Z. Kristallogr. 221: 472. doi:10.1524/zkri.2006.221.5-7.472.

^ Higashi I, Tanaka T, Kobayashi K, Ishizawa Y and Takami M (1997). "Crystal Structure of YB41Si1.2". J. Solid State Chem. 133: 11. Bibcode 1997JSSCh.133...11H. doi:10.1006/jssc.1997.7307.

^ Leithe-Jasper A, Tanaka T, Bourgeois L, Mori T and Michiue Y (2004). "New quaternary carbon and nitrogen stabilized polyborides: REB15.5CN (RE: Sc, Y, Ho, Er, Tm, Lu), crystal structure and compound formation". J. Solid State Chem. 177 (2): 431. Bibcode 2004JSSCh.177..431L. doi:10.1016/j.jssc.2003.02.003.

^ Zhang F X, Leithe-Jasper A, Xu J, Matsui Y, Tanaka T and Okada S (2001). "Novel Rare Earth Boron-Rich Solids". J. Solid State Chem. 159: 174. Bibcode 2001JSSCh.159..174Z. doi:10.1006/jssc.2001.9147.

^ Zhang F X, Xu F F, Mori T, Liu Q L, Sato A and Tanaka T (2001). "Crystal structure of new rare-earth boron-rich solids: REB28.5C4". J. Alloys Compd. 329: 168. doi:10.1016/S0925-8388(01)01581-X.

^ ^a ^b Tanaka T, Sato A and Zhang F X (2009). "Structure refinement of quaternary RE-B-C-Si compounds: Y3−x(B12)3(CSi)Si8(x ≈ 0.96) and Dy3−x(B12)3(CSi)Si8(x ≈ 0.90)" (free download). J. Phys.: Conf. Ser. 176: 012015. Bibcode 2009JPhCS.176a2015T. doi:10.1088/1742-6596/176/1/012015.

Categories:
Borides
Crystallography

Structure data for YAlB₁₄^[1]
Atom	Site	x	y	z	Occ.*	b_iso(Å²)
Y	8i	0.02511(8)	1/4	0.64217(3)	0.310(1)	Anisotropic
Al	4c	1/4	1/4	1/4	0.708(3)	Anisotropic
B1	8h	0	0.1660(1)	0.9682(1)	1	0.35(1)
B2	8h	0	0.1520(1)	0.3745(1))	1	0.39(1)
B3	8h	0	0.0882(1)	0.1704(1)	1	0.35(1)
B4	16i	0.1602(1)	0.05917(6)	0.83757(7)	1	0.34(1)
B5	16j	0.2482(1)	0.08028(6)	0.45487(8)	1	0.35(1)

Anisotropic displacement parameters for YAlB₁₄^[1]
Atom	U₁₁(Å²)	U₂₂(Å²)	U₃₃(Å²)	U₁₃(Å²)
Y	0.087(2)	0.00446(8)	0.00466(8)	-0.00045(9)
Al	0.0112(3)	0.0053(2)	0.0196(3)	0.0108(2)

Structure data for YB₆₂^[2]
Atom	Site	x	y	z	Occ.*	U_eq.(Å²)
B1	96i	0	0.0374(2)	0.0594(1)	1.0	0.0101(7)
B2	96i	0	0.0759(2)	0.1171(2)	1.0	0.0118(7)
B3	96i	0	0.0387(2)	0.1809(2)	1.0	0.0115(7)
B4	96i	0	0.1486(1)	0.2418(1)	1.0	0.0098(7)
B5	96i	0	0.1855(2)	0.1715(2)	1.0	0.0112(7)
B6	192j	0.0389(1)	0.1401(1)	0.1220(1)	1.0	0.0137(6)
B7	192j	0.0395(1)	0.0816(1)	0.2291(1)	1.0	0.0120(6)
B8	192j	0.0630(1)	0.0775(1)	0.1586(1)	1.0	0.0129(6)
B9	192j	0.0635(1)	0.1455(1)	0.1948(1)	1.0	0.0137(6)
B10	192j	0.1328(3)	0.1744(3)	0.1975(3)	0.758(19)	0.0412(20)
B11	192j	0.2314(4)	0.1607(3)	0.3021(4)	0.531(14)	0.0427(24)
B12	192j	0.1733(4)	0.1273(4)	0.2581(5)	0.293(17)	0.0207(35)
B13	64g	0.2337(8)	0.2337(8)	0.2337(8)	0.076(6)	0.0395(98)
Y1	48f	0.0542(3)	0.25	0.25	0.437(9)	0.0110(9)
Y2	48f	0.0725(11)	0.25	0.25	0.110(12)	0.0414(43)

Structure data for YB₄₁Si_1.2^a^[3]
Atom	Site	x	y	z	Occ.*	b_iso(Å²)
B1.1	8i	0.4362(2)	0.5491(2)	0.0938(3)	1	0.12(5)
B1.2	8i	0.4660(2)	0.4610(2)	0.1572(3)	1	0.15(5)
B1.3	4g	0.4063(3)	0.4711(3)	0	1	0.19(7)
B1.4	4g	0.4852(3)	0.4078(3)	0	1	0.14(6)
B2.1	8i	0.2326(2)	0.4909(2)	0.0981(3)	1	0.14(5)
B2.2	8i	0.2101(2)	0.3281(2)	0.0956(3)	1	0.13(5)
B2.3	8i	0.1664(2)	0.4147(2)	0.1632(3)	1	0.19(5)
B2.4	8i	0.2749(2)	0.4005(2)	0.1586(3)	1	0.13(4)
B2.5	4g	0.1293(3)	0.3702(3)	0	1	0.11(6)
B2.6	4g	0.1379(3)	0.4694(3)	0	1	0.11(6)
B2.7	4g	0.3106(3)	0.4451(3)	0	1	0.15(7)
B2.8	4g	0.2972(3)	0.3466(3)	0	1	0.20(7)
B3.1	8i	0.3793(2)	0.1879(2)	0.0975(3)	1	0.19(5)
B3.2	8i	0.5354(2)	0.2580(2)	0.0946(3)	1	0.13(5)
B3.3	8i	0.4823(2)	0.1772(2)	0.1640(3)	1	0.11(4)
B3.4	8i	0.4350(2)	0.2693(2)	0.1584(3)	1	0.12(5)
B3.5	4g	0.4501(3)	0.1247(3)	0	1	0.19(6)
B3.6	4g	0.3728(3)	0.2753(3)	0	1	0.28(7)
B3.7	4g	0.4682(3)	0.3146(3)	0	1	0.12(6)
B3.8	4g	0.5424(3)	0.1724(3)	0	1	0.14(6)
B4.1	8i	0.2006(2)	0.1543(2)	0.0880(3)	1	0.16(5)
B4.2	8i	0.1315(2)	0.0978(2)	0.1785(3)	1	0.09(4)
B4.3	8i	0.1156(2)	0.1965(2)	0.1737(3)	1	0.18(5)
B4.4	8i	0.2107(2)	0.2414(2)	0.1753(3)	1	0.15(4)
B4.5	8i	0.2905(2)	0.1676(2)	0.1833(3)	1	0.10(4)
B4.6	8i	0.2377(2)	0.0745(2)	0.1817(3)	1	0.15(4)
B4.7	8i	0.1741(2)	0.0671(2)	0.3370(3)	1	0.23(5)
B4.8	8i	0.0972(2)	0.1445(2)	0.3316(3)	1	0.15(5)
B4.9	84i	0.1508(2)	0.2379(2)	0.3301(3)	1	0.11(4)
B4.10	8i	0.2612(2)	0.2215(2)	0.3352(3)	1	0.15(4)
B4.11	8i	0.2720(2)	0.1169(2)	0.3434(3)	1	0.20(5)
B4.12	8i	0.1884(2)	0.1594(2)	0.4149(3)	1	0.28(5)
B5.1	8i	0.1150(2)	0.4078(2)	0.3354(3)	1	0.19(5)
B5.2	8i	0.1066(2)	0.3127(2)	0.4060(3)	1	0.18(5)
B5.3	8i	0.0255(2)	0.4553(2)	0.4053(3)	1	0.20(5)
B5.4	8i	0.0175(2)	0.3589(2)	0.3358(3)	1	0.18(4)
B5.5	4h	0.4628(3)	0.1121(3)	1/2	1	0.27(7)
B5.6	4h	0.1675(3)	0.3812(3)	1/2	1	0.39(7)
B5.7	4h	0.1202(3)	0.4681(3)	1/2	1	0.31(7)
B5.8	4h	0.0108(3)	0.3023(3)	1/2	1	0.28(7)
B6.1	8i	0.3311(2)	0.3858(2)	0.3061(3)	1	0.19(4)
B6.2	8i	0.3530(2)	0.4752(2)	0.4064(3)	1	0.35(5)
B6.3	8i	0.4294(2)	0.4214(2)	0.3063(3)	1	0.14(4)
B6.4	8i	0.4150(2)	0.3223(2)	0.3052(3)	1	0.18(4)
B6.5	8i	0.5013(2)	0.3652(2)	0.4046(3)	1	0.20(4)
B6.6	8i	0.3268(2)	0.2925(2)	0.4058(3)	1	0.43(5)
Si6.7^b	4h	0.2784(3)	0.3866(3)	1/2	0.575(6)	0.22(6)
B6.7^b	4h	0.2785(13)	0.3961(11)	1/2	0.425(6)	0.22(6)
Si6.8^c	4h	0.4429(3)	0.2787(3)	1/2	0.478(6)	0.17(7)
B6.8^c	4h	0.4492(11)	0.2818(12)	1/2	0.522(6)	0.17(7)
Si6.9^d	4h	0.4655(3)	0.4626(3)	1/2	0.440(6)	0.17(8)
B6.9^d	4h	0.4589(9)	0.4537(7)	1/2	0.560(60	0.17(8)
B7.1	8i	0.3911(4)	0.3747(4)	0.1181(8)	1	0.30^e
B7.2	8i	0.3182(17)	0.2183(16)	0.502(31)	0.46(1)	0.30^e
B7.3	4g	0.4569(3)	0.0212(2)	0	0.23(1)	0.30^e
B7.4	4g	0.0766(4)	0.1555(6)	0	0.29(1)	0.30^e
B7.5	4g	0.1438(11)	0.2507(11)	0	0.18(1)	0.30^e
B7.6	4g	0.2552(10)	0.2629(9)	0	0.43(1)	0.30^e
B7.7	4h	0.2054(15)	0.0230(14)	1/2	0.08(1)	0.30^e
Y	8i	0.39628(1)	0.05199(1)	0.22964(3)	1	0.22^f
Si	4h	0.34402(8)	0.07974(8)	1/2	0.798(6)	0.29^f

a. Structure data of ScB_15.5CN^[4]
Atom	Site	x	y	z	Occ.*	U_eq.(nm²×10³)
Sc	2d	1/3	2/3	0.4426(1)	0.93(1)	16.1(4)
B1	6i	0.4909(4)	0.5091(2)	0.2177(2)	1	3.8(4)
B2	6i	0.5580(1)	0.4420(2)	0.0612(1)	1	3.5(4)
B3	6i	0.7737(2)	0.2263(2)	0.3175(2)	1	4.5(4)
B4	6i	0.8383(4)	0.1617(2)	0.1611(2)	1	4.2(4)
B5	6i	0.8945(2)	0.1055(2)	0.4331(2)	1	4.8(4)
B6	1a	0	0	0	1	5(1)
C	2c	0	0	0.1338(3)	1	4.1(9)
N	2d	1/3	2/3	0.2446(3)	1	6.1(8)

b. Structure data of YB₂₂C₂N^[5]
Atom	Site	x	y	z	Occ.*	b_iso(Å³)
Y	6c	0	0	0.349(2)	0.74(4)	0.62(5)
B1	18h	0.223(6)	-0.223(6)	0.442(3)	1.0	2.37(0)
B2	18h	0.557(2)	0.442(8)	0.349(4)	1.0	2.37(0)
B3	18h	0.151(8)	0.303(6)	0.404(3)	1.0	2.37(0)
B4	18h	0.438(0)	0.562(0)	0.379(0)	1.0	2.37(0)
B5	6c	2/3	1/3	0.454(2)	1.01(4)	2.50(4)
B6	18h	0.499(6)	0.500(4)	0.417(5)	1.0	2.37(0)
B7	18h	0.102(1)	-0.102(1)	0.468(5)	1.0	3.37(0)
B8	18h	0.334(9)	0.167(4)	0.494(7)	1.0	2.37(0)
C1	6c	2/3	1/3	0.485(8)	1.16(4)	3.19(0)
C2	6c	2/3	1/3	0.423(2)	0.99(6)	3.19(0)
N	6c	0	0	0.401(3)	0.84(0)	0.95(8)

c. Structure data of YB_28.5C₄^[6]
Atom	Site	x	y	z	Occ.*	U_eq.(nm²×10³)
Y1	6c	0	0	0.3200(1)	0.83(9)	7(1)
C2	6c	0	0	0.2787(2)	1.12(1)	6(3)
C3	6c	2/3	1/3	0.2129(2)	1.06(2)	5(3)
C4	6c	2/3	1/3	0.2639(2)	1.05(3)	11(3)
B5	6c	2/3	1/3	0.2385(3)	1.12(1)	17(4)
C6	6c	1/3	-1/3	0.1922(2)	1.08(5)	11(3)
B7	3b	1/3	-1/3	1/6	1.08(0)	13(6)
B8	18h	0.1096(8)	-0.1096(8)	0.2265(1)	1.0	2(1)
B9	18h	0.2136(17)	0.1068(8)	0.3677(1)	1.0	4(1)
B10	18h	0.2177(18)	0.1089(9)	0.1780(1)	1.0	3(1)
B11	18h	0.1703(8)	-0.1703(8)	0.1968(1)	1.0	3(1)
B12	18h	0.2255(8)	0.4511(17)	0.2498(1)	1.0	3(1)
B13	18h	0.4631(17)	0.2316(8)	0.3462(1)	1.0	3(1)
B14	18h	0.1632(8)	0.3263(17)	0.2795(1)	1.0	3(1)
B15	18h	0.5030(9)	0.4970(9)	0.2690(1)	1.0	4(2)
B16	18h	0.3422(17)	0.1711(8)	0.2077(1)	1.0	4(1)
BC17	6c	0	0	0.2506(4)	0.51(9)	6(8)

Structure data for Y_xB₁₂C_0.33Si_3.0 (x=0.68)^[7]
Atom	Site	x	y	z	Occ.*	U_eq.(nm²×10³)
Y	9e	1/6	1/3	1/3	0.68(1)	6.1(1)
B1	36i	0.4916(1)	0.1556(1)	0.1353(1)	1.0	4.5(1)
B2	36i	0.3671(1)	0.0400(1)	0.2181(1)	1.0	4.6(1)
B3	18h	0.4838(2)	0.2419(1)	0.2307(1)	1.0	7.4(2)
B4	18h	0.2900(2)	0.1450(1)	0.2697(1)	1.0	5.1(2)
C3	6c	2/3	1/3	0.2666(12)	0.58(5)*	2.9(5)
Si1	6c	1/3	2/3	0.2379(0)	1.0	2.7(1)
Si2	18h	0.4648(0)	0.5352(0)	0.2730(0)	1.0	4.1(1)
Si3	6c	2/3	1/3	0.2917(3)	0.42(2)*	1.1(2)

Interatomic distances between the listed sites of Y_xB₁₂C_0.33Si_3.0^[7]
Atoms	Distance (Å)	Atoms	Distance (Å)
C3-B3	1.703(7)	C3-C3	2.198
Si3-B3	1.887(3)	Si3-C3	0.413
C3-Si3	1.786(24)	Si3-Si3	1.373(10)

Structure data for ScB_19+xSi_y (x=0.7, y=0.18)^a
Atom	Site	x	y	z	Occ.	U_eq.(nm²×10³)
B1	8b	-0.1228	0.2389	0.1261	1.0	5.06
B(2)	8b	-0.0333	0.1355	0.2097	1.0	5.5
B(3)	8b	-0.0428	0.3116	0.2294	1.0	5.18
B(4)	8b	-0.0398	0.3917	0.1159	1.0	5.36
B(5)	8b	-0.0113	0.1129	0.0786	1.0	6.27
B(6)	8b	-0.0273	0.272	0.0277	1.0	5.24
B(7)	8b	0.1154	0.2258	0.244	1.0	5.93
B(8)	8b	0.1027	0.3902	0.192	1.0	5.46
B(9)	8b	0.1265	0.1058	0.1548	1.0	5.73
B(10)	8b	0.127	0.1951	0.0453	1.0	5.04
B(11)	8b	0.1142	0.3624	0.0645	1.0	5.16
B(12)	8b	0.2093	0.2618	0.1403	1.0	5.22
B(13)	8b	0.3187	0.0588	0.3634	1.0	9.81
B(14)	8b	0.3933	0.2069	0.326	1.0	8.95
B(15)	8b	0.2135	0.1978	0.3449	1.0	10.19
B(16)	8b	0.47	0.1142	0.4131	1.0	6.57
B(17)	8b	0.4662	0.2887	0.4239	1.0	6.27
B(18)	8b	0.1903	0.0946	0.4509	0.652	9.15
B(19)	8b	0.2721	0.1861	0.5453	1.0	6.32
B(20)	8b	0.3529	0.042	0.4933	1.0	6.37
B(21)	8b	0.4445	0.1865	0.526	1.0	8.9
B(22)	4a	0.3354	0.3354	0.5	1.0	8.92
B(23)	4a	0.0347	0.0347	0.5	1.0	10.25
B(24)	8b	0.3133	0.3367	0.381	0.631	14.73
Sc(1)	8b	0.2964	0.4857	0.1316	0.811	4.73
Sc(2)	8b	0.2981	0.375	0.2968	0.194	16.22
Sc(3)	8b	0.0849	0.0107	0.3215	0.128	5.66
Si	8b	0.1758	0.0037	0.4227	0.203	10.09

Structure data for ScB₁₇C_0.25.
Atom	Site	x	y	z	Occ.	U_eq.(nm²×10³)
Sc	12o	0.4251(1)	0.8502(1)	0.7496(2)	1.0	5.8(4)
B1	12p	0.6699(4)	0.7362(4)	0.0	1.0	3.2(9)
B2	12p	0.5300(4)	0.6629(4)	0.0	1.0	6.4(9)
B3	24r	0.5985(3)	0.7380(3)	0.8351(4)	1.0	3.7(7)
B4	12o	0.1419(7)	0.2838(5)	0.9011(6)	1.0	6.6(9)
B5	12o	0.5242(4)	0.2621(2)	0.0986(4)	1.0	4.3(9)
B6	4h	1/3	2/3	0.8288(10)	1.0	5(2)
B7	4h	1/3	2/3	0.6165(10)	1.0	5(2)
B8	24r	0.3077(3)	0.9274(3)	0.6661(4)	1.0	4.4(7)
B9	12g	0.4395(4)	0.0	0.5984(6)	1.0	5.3(8)
B10	12q	0.5375(5)	0.6562(5)	1/2	1.0	6(1)
B11	12n	0.7571(4)	0.0	0.5995(6)	1.0	5.0(9)
B12	12q	0.2266(5)	0.3405(4)	1/2	1.0	6(1)
B13	12o	0.0771(2)	0.1542(5)	0.8347(7)	1.0	4(1)
B14	12n	0.1327(4)	0.0	0.6664(7)	1.0	8(1)
B/C15	6l	0.4694(3)	0.9388(7)	0.0	B/C=0.73/0.27	8(1)
B/C16	6m	0.3944(6)	0.7888(7)	1/2	B/C=0.80/0.20	13(1)
B17	6l	0.0391(12)	0.0782(24)	0.0	0.53	45(8)
B18	6m	0.0379(10)	0.0758(10)	1/2	0.67	44(6)

Structure data for Sc_0.83-xB_10.0-yC_0.17+ySi_0.083-z (x = 0.030, y = 0.36 and z = 0.026).
Atom	Site	x	y	z	Occ.	U_eq.(nm²×10³)
B1	48h	0.0613(2)	0.0613(2)	0.6638(2)	1.0	6.62
B2	48h	0.1209(2)	0.1209(2)	0.6832(2)	1.0	7.03
B3	48h	0.0864(2)	0.0864(2)	0.5206(2)	1.0	7.83
B4	48h	0.1478(2)	0.1478(2)	0.5438(2)	1.0	8.18
B5	48h	0.1899(2)	0.1899(2)	0.9098(2)	1.0	8.17
B,C6	48h	0.2219(2)	0.2219(2)	0.8378(2)	B/C=0.58/0.42	8.38
B7	48h	0.1068(2)	0.1068(2)	0.8320(2)	1.0	5.93
B8	48h	0.1410(2)	0.1410(2)	0.7596(2)	1.0	6.85
B9	48h	0.3018(2)	0.3018(2)	0.4030(3)	1.0	13.28
B10	48h	0.2191(2)	0.2191(2)	0.9796(3)	1.0	11.33
B11	48h	0.7816(2)	0.7816(2)	0.1217(3)	1.0	13.61
B12	48h	0.3019(2)	0.3019(2)	0.4927(3)	1.0	10.07
B13	96i	0.7693(2)	0.9520(2)	0.1663(2)	1.0	14.96
B14	48h	0.0485(2)	0.0485(2)	0.8212(3)	1.0	7.51
B15	48h	0.0340(2)	0.0340(2)	0.1403(3)	1.0	15.19
B16	96i	0.7875(2)	0.9762(2)	0.0845(2)	1.0	16.48
B17	48h	0.0326(2)	0.0326(2)	0.7384(3)	1.0	14.68
B,C18	16e	0.3494(3)	0.3494(3)	0.3494(3)	B/C=0.51/0.49	9.68
B,C19	16e	0.0623(3)	0.0623(3)	0.0623(3)	B/C=0.85/0.15	12.11
B,C20	16e	0.4447(2)	0.4447(2)	0.4447(2)	B/C=0.73/0.27	8.90
C1	16e	0.1947(3)	0.1947(3)	0.1947(3)	1.0	15.45
Si1	4a	0.2500(0)	0.2500(0)	0.2500(0)	1.0	16.19
Si2	4a	0.5000(0)	0.5000(0)	0.5000(0)	0.38	37.82
Sc1	16e	0.9409(04)	0.9409(04)	0.9409(04)	1.0	8.9^a
Sc2	16e	0.1270(07)	0.1270(07)	0.1270(07)	0.99	32.99^a
Sc3	48h	0.0689(04)	0.0689(04)	0.3216(04)	0.95	11.05^a

Atom	U₁₁	U₂₂	U₃₃	U₂₃	U₁₃	U₁₂
Sc1	8.96	8.96	8.96	-0.91	-0.91	-0.91
Sc2	32.99	32.99	32.99	-9.42	-9.42	-9.42
Sc3	12 .25	12.25	8.65	-0.33	-0.33	-0.12

Structure data for Sc_4.5-xB_57-y+zC_3.5-z (x =0.27, y = 1.1, z = 0.2).
Atom	Site	x	y	z	Occ.	U_eq.(nm²×10³)
B1	8i	0.3347(1)	0.2050(2)	0.6241(2)	1.0	5.8(4)
B2	8i	0.1410(2)	-0.1034(2)	0.2728(2)	1.0	6.6(4)
B3	8i	0.2612(1)	0.2836(2)	0.6215(2)	1.0	5.8(4)
B4	8i	0.4280(1)	0.2589(2)	0.6235(2)	1.0	6.0(4)
B5	8i	0.3484(2)	0.2963(2)	0.5582(2)	1.0	5.3(4)
B6	8i	0.2823(1)	0.2312(2)	0.7301(2)	1.0	5.4(4)
B7	8i	0.3070(1)	0.3795(2)	0.6211(2)	1.0	5.1(4)
B8	8i	0.4055(1)	0.3652(2)	0.6226(2)	1.0	5.3(4)
B9	8i	0.3898(1)	0.2167(2)	0.7324(2)	1.0	5.8(4)
B10	8i	0.3476(2)	0.3034(2)	0.7929(2)	1.0	6.4(4)
B11	8i	0.2682(1)	0.3424(2)	0.7236(2)	1.0	5.1(4)
B12	8i	0.4371(2)	0.3209(2)	0.7295(2)	1.0	5.9(4)
B13	8i	0.4587(2)	-0.0243(2)	0.8542(2)	1.0	7.4(4)
B14	8i	0.3552(1)	-0.0209(2)	0.7027(2)	1.0	5.8(4)
B15	8i	0.3940(1)	0.0421(2)	0.7953(2)	1.0	5.4(4)
B16	8i	0.3019(2)	-0.0052(2)	0.8126(2)	1.0	6.5(4)
B17	8i	0.6125(2)	0.1769(2)	0.8143(2)	1.0	6.6(4)
B18	8i	0.5250(2)	0.1195(2)	0.7960(2)	1.0	5.9(4)
B19	8i	0.0752(2)	0.3872(2)	0.0943(2)	1.0	6.2(4)
B20	8i	0.6791(2)	0.1048(2)	0.8810(2)	1.0	6.3(4)
B21	8i	0.4539(2)	-0.0273(2)	0.7328(2)	1.0	5.7(4)
B22	8i	0.5951(2)	0.1197(2)	0.7028(2)	1.0	6.4(4)
B23	8i	0.3716(2)	-0.0065(2)	0.9054(2)	1.0	6.7(4)
B24	8i	0.1886(2)	0.3891(2)	0.2408(2)	1.0	6.1(4)
B25	4h	0.5570(2)	0.3161(2)	0.5000(0)	1.0	4.8(6)
B26	8i	0.5896(2)	0.1702(2)	0.6004(2)	1.0	6.1(4)
B27	4h	0.4658(2)	-0.1389(2)	0.5000(0)	1.0	5.9(6)
B28	8i	0.6782(1)	0.2169(2)	0.5618(2)	1.0	5.3(4)
B29	4h	0.3651(2)	-0.1350(2)	0.5000(0)	1.0	3.4(6)
B30	8i	0.5115(1)	0.2348(2)	0.5630(2)	1.0	5.4(4)
C31	4h	0.6546(2)	0.3025(2)	0.5000(0)	1.0	7.3(5)
B32	8i	0.6020(2)	0.2784(2)	0.6021(2)	1.0	5.7(4)
C33	4h	0.1831(2)	0.0261(2)	0.5000(0)	1.0	6.2(5)
C34	4h	0.3222(2)	-0.0486(2)	0.5000(0)	1.0	8.9(6)
B35	8i	0.2270(2)	0.0603(2)	0.6016(2)	1.0	6.3(4)
B36	8i	0.7354(1)	0.5437(2)	0.4379(2)	1.0	6.0(4)
B37	4h	0.7189(2)	0.3766(2)	0.5000(0)	1.0	6.4(6)
B38	4h	0.3734(2)	0.0459(2)	0.5000(0)	1.0	6.8(6)
B39	8i	0.3187(1)	0.0127(2)	0.6004(2)	1.0	5.6(4)
B40	8i	0.3098(2)	0.1178(2)	0.5629(2)	1.0	6.2(4)
B41	8i	0.4507(1)	0.4330(2)	0.5607(2)	1.0	5.2(4)
B42	8i	0.0390(2)	0.0341(2)	0.6004(2)	1.0	6.1(4)
C43	4h	0.5297(2)	0.4086(2)	0.5000(0)	1.0	7.7(6)
B44	4h	0.0943(2)	0.0123(2)	0.5000(0)	1.0	5.9(6)
B45	8i	0.2050(2)	0.1636(2)	0.7716(2)	1.0	6.0(4)
B46	8i	0.0681(2)	0.1263(2)	0.1059(2)	1.0	8.9(5)
B47	8i	0.6154(1)	0.3328(2)	0.7019(2)	1.0	5.3(4)
B48	8i	0.0749(2)	0.0661(2)	0.7017(2)	1.0	6.7(4)
B49	8i	0.1163(2)	0.2096(2)	0.8164(2)	1.0	6.3(4)
B50	8i	0.0317(2)	0.1444(2)	0.7735(2)	1.0	6.1(4)
B51	8i	0.0415(2)	0.0348(2)	0.1842(2)	1.0	7.5(4)
B52	8i	0.1772(1)	0.0777(2)	0.7000(2)	1.0	5.7(4)
B53	8i	0.1314(2)	-0.0047(2)	0.2313(2)	1.0	9.2(4)
B54	8i	0.1279(2)	0.0314(2)	0.1094(2)	1.0	18.9(6)
B55	8i	0.2129(2)	0.0524(2)	0.1870(2)	1.0	7.7(4)
B56	8i	0.1744(2)	0.1361(2)	0.1069(2)	1.0	9.2(5)
B57	8i	0.7574(2)	0.1419(2)	0.9408(2)	1.0	9.6(5)
B58	4g	0.8776(2)	0.2582(3)	0.0000(0)	1.0	9.5(6)
B59	8i	0.8460(2)	0.1852(2)	0.9102(2)	1.0	7.4(5)
B60	4g	0.2774(2)	0.2621(3)	0.0000(0)	1.0	10.1(7)
B61	4g	0.4196(3)	0.3404(3)	0.0000(0)	1.0	17.6(8)
B62	4g	0.1589(4)	0.8983(4)	0.0000(0)	0.58	6.0(16)
C/B63	8i	0.4300(1)	0.1383(1)	0.7908(2)	C/B=0.80/0.20	6.2(4)
B64	4g	0.1305(4)	-0.0080(4)	0.0000(0)	0.78	14.9(15)
C65	4h	0.5219(2)	-0.0431(2)	0.5000(0)	1.0	12.6(6)
B66	4g	0.9242(3)	0.3500(3)	0.0000(0)	1.0	11.9(7)
B67	4g	0.2231(2)	0.1635(2)	0.0000(0)	1.0	8.6(6)
B68	4g	0.0246(2)	0.3536(2)	0.0000(0)	1.0	6.8(6)
B69	4g	0.5216(2)	0.3482(3)	0.0000(0)	1.0	8.3(6)
B70	4g	0.8751(2)	0.4428(3)	0.0000(0)	1.0	10.3(7)
B/Si71	8i	0.1440(4)	0.9256(4)	0.0604(4)	B+Si=0.30 (B/Si=0.9/0.1)	6.4(10)
Sc1	8i	0.47761(2)	0.24988(3)	0.88052(3)	0.97	6.0(1)^a
Sc2	2a	0.50000(0)	0.50000(0)	0.00000(0)	0.96	14.9(3)^a
Sc3	8i	0.44587(3)	0.10615(3)	0.63668(3)	0.97	6.2(1)^a
Sc4	8i	0.31793(3)	0.15473(3)	0.87857(3)	0.97	7.1(1)^a
Sc5	4g	0.13723(4)	0.27037(4)	0.00000(0)	0.96	8.8(2)^a
Sc6	4g	0.24837(5)	0.00566(5)	0.00000(0)	0.90	9.3(2)^a
Sc7	2c	0.50000(0)	0.00000(0)	0.00000(0)	0.61	8.3(4)^a

Atom	U₁₁	U₂₂	U₃₃	U₂₃	U₁₃	U₁₂
Sc1	5.5(2)	7.6(2)	4.9(2)	-0.8(2)	0.2(1)	0.4(2)
Sc2	14.2(5)	15.2(5)	15.2(5)	0.00	0.00	4.9(4)
Sc3	7.4(2)	5.6(2)	5.5(2)	-0.3(1)	0.3(2)	1.2(1)
Sc4	4.4(2)	11.5(2)	5.4(2)	0.1(2)	0.7(1)	-0.3(2)
Sc5	5.8(3)	11.2(3)	9.5(3)	0.00	0.00	3.0(2)
Sc6	10.3(3)	8.3(3)	9.4(3)	0.00	0.00	-2.6(3)
Sc7	11.3(7)	10.7(7)	2.9(6)	0.00	0.00	-4.6(5)

Structure data for Sc_3.67-xB_41.4-y-zC_0.67+zSi_0.33-w (x=0.52, y=1.42, z=1.17 and w=0.02).
Atom	Site	x	y	z	Occ.	U_eq.(nm²×10³)
B1	6n	0.8073(5)	0.4037(3)	0.0812(3)	1.0	6.8(10)
B2	6n	0.0650(5)	0.5325(2)	0.1400(2)	1.0	6.0(9)
B3	6n	0.9269(5)	0.4634(2)	0.0374(2)	1.0	4.4(9)
B4	6n	0.9436(5)	0.4718(3)	0.1852(3)	1.0	6.9(10)
B5	12o	0.8402(4)	0.3568(3)	0.1453(2)	1.0	7.1(7)
B6	12o	0.9843(3)	0.3894(3)	0.1412(2)	1.0	6.0(7)
B7	12o	0.0316(3)	0.4545(3)	0.0749(2)	1.0	5.7(7)
B8	12o	0.8989(4)	0.3458(4)	0.0781(2)	1.0	7.1(7)
B9	6n	0.1969(5)	0.5984(3)	0.1645(3)	1.0	8.0(10)
B10	6n	0.2446(5)	0.6223(3)	0.2375(3)	1.0	8.2(11)
B11	6n	0.2920(2)	0.5839(5)	0.1205(2)	1.0	5.3(9)
B12	6n	0.2647(3)	0.5294(5)	0.1913(2)	1.0	5.7(9)
B13	6n	0.2671(59)	0.2671(5)	0.3155(3)	1.0	8.3(10)
B14	6n	0.8217(3)	0.1784(3)	0.3748(3)	1.0	12.2(11)
B15	6n	0.7742(3)	0.2258(3)	0.2397(2)	1.0	6.1(9)
B16	12o	0.7213(4)	0.0679(4)	0.3317(2)	1.0	10.4(8)
B17	12o	0.8736(4)	0.3358(4)	0.2828(2)	1.0	8.9(7)
B18	6n	0.7304(3)	0.2697(3)	0.2990(3)	1.0	12.0(12)
B19	12o	0.9027(4)	0.2288(4)	0.2599(2)	1.0	8.7(7)
B20	12o	0.8261(5)	0.3023(5)	0.3556(2)	1.0	17.5(10)
B/C21	6n	0.0808(5)	0.0808(5)	0.3880(2)	B/C=0.55/0.45	6.7(9)
B22	6n	0.0675(3)	0.0675(3)	0.3478(2)	1.0	6.8(10)
B23	6n	0.9185(5)	0.0408(2)	0.2783(2)	1.0	5.8(9)
B24	6n	0.9333(3)	0.1334(5)	0.3221(2)	1.0	6.0(10)
B/C25	6l	0.3352(5)	0.5516(5)	0.0	B/C=0.55/0.45	6.8(10)
B26	12o	0.3193(3)	0.4403(4)	0.0374(2)	1.0	5.8(7)
B27	6n	0.1829(2)	0.3658(5)	0.0603(2)	1.0	4.2(9)
B28	6l	0.2238(5)	0.3231(5)	0.0	1.0	5.4(9)
B29	6n	0.2548(3)	0.5096(5)	0.0612(3)	1.0	6.0(9)
B30	12o	0.1777(4)	0.4848(4)	0.3452(2)	1.0	8.9(7)
B31	6n	0.2658(3)	0.5316(6)	0.5902(3)	1.0	11.8(11)
B32	6n	0.1323(3)	0.2646(5)	0.3660(3)	1.0	7.8(10)
B33	6n	0.1854(3)	0.3708(5)	0.3161(3)	1.0	7.7(10)
B34	12o	0.0915(4)	0.3082(4)	0.4271(2)	1.0	8.7(7)
B35	12o	0.0677(4)	0.3465(4)	0.3582(2)	1.0	9.6(7)
B36	12o	0.1183(5)	0.4431(5)	0.4173(2)	1.0	15.6(9)
B37	6n	0.2096(3)	0.7905(3)	0.4609(3)	1.0	9.7(11)
B/C38	6m	0.0027(5)	0.1179(5)	0.5	B/C=0.65/0.35	6.8(9)
B39	6m	0.7666(5)	0.1089(5)	0.5	1.0	6.9(10)
B40	12o	0.9869(4)	0.2146(4)	0.4628(2)	1.0	7.4(7)
B/C41	6n	0.9211(2)	0.1578(5)	0.4421(2)	B/C=0.45/0.55	7.1(9)
B42	6n	0.8514(3)	0.1486(3)	0.4387(3)	1.0	6.7(9)
B43	6l	0.2387(5)	0.2133(5)	0.0	1.0	6.4(10)
B44	12o	0.8843(3)	0.2383(3)	0.0392(2)	1.0	6.0(7)
B45	3j	0.1431(7)	0.0716(3)	0.0	1.0	3.3(13)
B46	6n	0.2359(5)	0.1180(2)	0.0579(2)	1.0	4.6(9)
B47	6n	0.1969(3)	0.3938(6)	0.1835(3)	1.0	12.4(12)
B48	6n	0.1543(3)	0.3086(5)	0.1262(2)	1.0	6.0(10)
B49	12o	0.0178(4)	0.2465(4)	0.2240(2)	1.0	9.9(8)
B50	6n	0.0872(2)	0.1745(5)	0.2267(2)	1.0	6.6(9)
B51	12o	0.0563(4)	0.3250(4)	0.1626(2)	1.0	8.7(7)
B52	6n	0.1530(3)	0.3060(6)	0.2517(3)	1.0	13.3(12)
B53	12o	0.1623(3)	0.1884(3)	0.1601(2)	1.0	5.9(7)
B54	6m	0.4507(8)	0.3567(8)	0.5	1.0	27.0(18)
B55	12o	0.4300(9)	0.9827(9)	0.4547(4)	0.87	43.8(29)
B56	6n	0.5907(5)	0.4093(5)	0.3925(5)	0.66	17.7(32)
B57	6n	0.8050(13)	0.4025(7)	0.4762(6)	0.51	16.9(40)
B58	12o	0.5007(9)	0.3781(9)	0.4206(5)	0.44	12.2(28)
B59	6n	0.8881(16)	0.4440(8)	0.4595(8)	0.55	30.9(53)
C60	2i	0.6667	0.3333	0.7126(5)	1.0	15.9(21)
B61	1a	0.0	0.0	0.0	1.0	10.5(27)
B62	6n	0.1877(5)	0.5939(3)	0.3066(3)	1.0	9.4(11)
C63	6n	0.7421(2)	0.2579(2)	0.1798(2)	1.0	8.6(9)
B/C64	6n	0.9344(5)	0.4672(2)	0.2578(2)	B/C=0.57/0.43	6.2(10)
B65	6n	0.9172(3)	0.0828(3)	0.1237(3)	1.0	6.1(9)
B66	1f	0.6667	0.3333	0.5	1.0	43.4(68)
B/C67	2h	0.3333	0.6667	0.5774(5)	B/C=0.71/0.29	10.5(22)
B68	2i	0.6667	0.3333	0.0639(4)	1.0	5.0(16)
B69	2h	0.3333	0.6667	0.3006(8)	0.49	0.0(44)
Si1	2i	0.6667	0.3333	0.3919(2)	0.87	30.7(16)
Si2	2i	0.6667	0.3333	0.2078(1)	1.0	5.0(5)
Sc1	2g	0.0	0.0	0.17777(8)	0.98	5.5(4)^a
Sc2	3j	0.74237(6)	0.74237(6)	0.0	0.95	7.0(4)^a
Sc3	6n	0.07873(4)	0.07873(4)	0.06563(4)	0.96	4.5(2)^a
Sc4	12o	0.07726(8)	0.43056(8)	0.24776(3)	0.87	9.4(2)^a
Sc5	6n	0.82732(5)	0.82732(5)	0.14302(6)	0.96	19.5(4)^a
Sc6	6n	0.50007(6)	0.50007(6)	0.35580(6)	0.91	14.4(3)^a
Sc7	3k	0.40577(10)	0.40577(10)	0.5	0.88	31.1(9)^a
Sc8	6n	0.74848(9)	0.25152(9)	0.45210(9)	0.49	6.3(5)^a

Atom	U₁₁	U₂₂	U₃₃	U₂₃	U₁₃	U₁₂
Sc1	4.7(5)	4.7(5)	7.1(8)	0.0	0.0	2.4(3)
Sc2	8.5(6)	8.5(6)	7.3(6)	0.0	0.0	6.8(6)
Sc3	4.6(3)	4.6(3)	4.1(4)	0.2(2)	0.2(2)	2.1(4)
Sc4	7.0(4)	8.5(4)	11.6(3)	4.2(3)	1.4(3)	3.1(2)
Sc5	26.9(6)	26.9(6)	18.2(6)	2.8(2)	2.8(2)	23.6(7)
Sc6	13.6(5)	13.6(5)	16.4(6)	0.1(2)	0.1(2)	7.1(5)
Sc7	15.0(9)	15.0(9)	66.7(21)	0.0	0.0	10.3(9)
Sc8	4.9(7)	4.9(7)	7.9(9)	0.8(3)	0.8(3)	1.7(7)

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Crystal structure of boron-rich metal borides (data page)

Contents

Table I

Table II

Table III

Table IVa

Table IVb

Table IVc

Table Va

Table Vb

Table VI

Table VII

Table VIII

Table IX

Table X

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Crystal structure of boron-rich metal borides (data page)

Contents

Table I

Table II

Table III

Table IVa

Table IVb

Table IVc

Table Va

Table Vb

Table VI

Table VII

Table VIII

Table IX

Table X

References

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